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Bug #46468 System Crash when running test script ext/openssl/tests/004.php
Submitted: 2008-11-03 01:19 UTC Modified: 2008-11-30 22:39 UTC
From: hostmaster at uuism dot net Assigned: pajoye (profile)
Status: Not a bug Package: OpenSSL related
PHP Version: 5.2CVS-2008-11-03 (snap) OS: Fedora Core 4
Private report: No CVE-ID: None
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 [2008-11-03 01:19 UTC] hostmaster at uuism dot net
Description:
------------
When I run test script  ext/openssl/tests/004.php, I get a Core Dump when it executes this part of the code:

//this leaks
$a = array(1,2);
$b = array(1,2);
var_dump(openssl_csr_new($a, $b));

Here is a back-trace from gdb:

#0  0x004c48a5 in memcpy () from /lib/libc.so.6
#1  0x083ebdcd in ASN1_STRING_set ()
#2  0x0057dff4 in ?? () from /lib/libc.so.6
#3  0x0057f880 in ?? () from /lib/libc.so.6
#4  0x00000000 in ?? ()

I ran configure with this string:

./configure  --build=i386-redhat-linux --host=i386-redhat-linux --target=i386-redhat-linux-gnu --program-prefix= --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/share/man --infodir=/usr/share/info --cache-file=../config.cache --with-libdir=lib --with-config-file-path=/etc --with-config-file-scan-dir=/etc/php.d --enable-debug --with-pic --disable-rpath --with-bz2 --with-curl --with-exec-dir=/usr/bin --with-freetype-dir=/usr --with-png-dir=/usr --enable-gd-native-ttf --without-gdbm --with-gettext --with-gmp --with-iconv --with-jpeg-dir=/usr --with-openssl            --with-pspell                       --with-pcre-regex=/usr/local --with-zlib --with-layout=GNU --enable-exif --enable-ftp --enable-magic-quotes --enable-sockets --enable-sysvsem --enable-sysvshm --enable-sysvmsg                                                    --enable-wddx --with-pear=/usr/share/pear --with-kerberos --enable-ucd-snmp-hack --with-unixODBC=shared,/usr                       --enable-shmop --enable-calendar                           --with-mime-magic=/etc/httpd/conf/magic --without-sqlite --with-libxml-dir=/usr/local --enable-force-cgi-redirect --enable-pcntl --with-imap=shared --with-imap-ssl --enable-mbstring=shared                          --enable-mbregex --with-ncurses=shared --with-gd=shared --enable-bcmath=shared --enable-dba=shared --with-db4=/usr --with-xmlrpc=shared --with-ldap=shared --with-mysql=shared,/usr --with-mysqli=shared,/usr/bin/mysql_config --enable-dom=shared --with-pgsql=shared --with-snmp=shared,/usr --enable-soap=shared --with-xsl=shared,/usr --enable-fastcgi --with-pcre-dir=/usr/local --enable-xmlreader=shared --with-mcrypt --with-mhash --with-config-file-path=/etc/php-testing --with-config-file-scan-dir=/etc/php-testing/php.d

Here is how I ran the test:

# TEST_PHP_EXECUTABLE=sapi/cli/php sapi/cli/php ./run-tests.php ext/openssl/tests/004.phpt

=====================================================================
PHP         : sapi/cli/php
PHP_SAPI    : cli
PHP_VERSION : 5.2.7RC3-dev
ZEND_VERSION: 2.2.0
PHP_OS      : Linux - Linux host.uuserver.net 2.6.20.1 #16 SMP Thu Nov 8 14:19:44 EST 2007 i686
INI actual  : /etc/php-testing/php.ini
More .INIs  : /etc/php-testing/php.d/mbstring.ini,/etc/php-testing/php.d/mysql.ini,/etc/php-testing/php.d/mysqli.ini,/etc/php-testing/php.d/soap.ini,/etc/php-testing/php.d/xmlrpc.ini
CWD         : /usr/local/src/php5.2-200811022130
Extra dirs  :
VALGRIND    : Not used
=====================================================================
Running selected tests.
FAIL openssl_csr_new() tests [ext/openssl/tests/004.phpt]
=====================================================================
Number of tests :    1                 1
Tests skipped   :    0 (  0.0%) --------
Tests warned    :    0 (  0.0%) (  0.0%)
Tests failed    :    1 (100.0%) (100.0%)
Expected fail   :    0 (  0.0%) (  0.0%)
Tests passed    :    0 (  0.0%) (  0.0%)
---------------------------------------------------------------------
Time taken      :    1 seconds
=====================================================================

=====================================================================
FAILED TEST SUMMARY
---------------------------------------------------------------------
openssl_csr_new() tests [ext/openssl/tests/004.phpt]
=====================================================================

My openssl version is OpenSSL 0.9.8h 28 May 2008

The binary is installed at /usr/local/bin/openssl, the include directory is /usr/local/include/openssl and the configuration directory is /usr/local/openssl.

Jim





Reproduce code:
---------------
<?php

$a = 1;
var_dump(openssl_csr_new(1,$a));
var_dump(openssl_csr_new(1,$a,1,1));
$a = array();
var_dump(openssl_csr_new(array(), $a, array(), array()));

//this leaks
$a = array(1,2);
$b = array(1,2);
var_dump(openssl_csr_new($a, $b));


echo "Done\n";
?>


Expected result:
----------------
Warning: openssl_csr_new() expects parameter 1 to be array, integer given in %s on line %d
NULL

Warning: openssl_csr_new() expects parameter 1 to be array, integer given in %s on line %d
NULL

Warning: openssl_csr_new(): key array must be of the form array(0 => key, 1 => phrase) in %s on line %d

Warning: openssl_csr_new(): add1_attr_by_txt challengePassword_min -> 4 (failed) in %s on line %d
bool(false)
resource(%d) of type (OpenSSL X.509 CSR)
Done


Actual result:
--------------
Warning: openssl_csr_new() expects parameter 1 to be array, integer given in /usr/local/src/php5.2-200811022130/ext/openssl/tests/004.php on line 4
NULL

Warning: openssl_csr_new() expects parameter 1 to be array, integer given in /usr/local/src/php5.2-200811022130/ext/openssl/tests/004.php on line 5
NULL

Warning: openssl_csr_new(): key array must be of the form array(0 => key, 1 => phrase) in /usr/local/src/php5.2-200811022130/ext/openssl/tests/004.php on line 7
Segmentation fault (core dumped)


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 [2008-11-03 01:21 UTC] hostmaster at uuism dot net
My php.ini file is exactly the same as php.ini-recommended
 [2008-11-03 03:03 UTC] hostmaster at uuism dot net
I installed OpenSSL 0.9.8i 15 Sep 2008 and compiled PHP again, keeping everything else the same, except that I ran configure with --disable-debug.

When I run test script ext/openssl/tests/004.phpt not, it passes.

Jim
 [2008-11-03 03:04 UTC] hostmaster at uuism dot net
That last sentence should be:

When I run test script ext/openssl/tests/004.phpt NOW, it passes.

Jim
 [2008-11-03 08:14 UTC] pajoye@php.net
Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php for Win32

Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.


 [2008-11-04 00:33 UTC] hostmaster at uuism dot net
here is the backtrack;

Core was generated by `sapi/cli/php-debug -d output_handler= -d open_basedir= -d safe_mode=0 -d disabl'.
Program terminated with signal 11, Segmentation fault.
#0  0x004c48a5 in memcpy () from /lib/libc.so.6
(gdb) bt
#0  0x004c48a5 in memcpy () from /lib/libc.so.6
#1  0x083ebdcd in ASN1_STRING_set ()
#2  0x0057dff4 in ?? () from /lib/libc.so.6
#3  0x0057f880 in ?? () from /lib/libc.so.6
#4  0x00000000 in ?? ()
(gdb) frame 0
#0  0x004c48a5 in memcpy () from /lib/libc.so.6
(gdb) print (char *)(executor_globals.function_state_ptr->function)->common.function_name
$1 = 0x845d2db "openssl_csr_new"
(gdb) print (char *)executor_globals.active_op_array->function_name
$2 = 0x0
(gdb) print (char *)executor_globals.active_op_array->filename
$3 = 0xb7cbb0ac "/usr/local/src/php5.2-200811022130/ext/openssl/tests/004.php"
 [2008-11-30 22:39 UTC] pajoye@php.net
"When I run test script ext/openssl/tests/004.phpt NOW, it passes."

Missed that, no bug in php > use a recent. Not a bug  > bogus 
 
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